Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 5 (Q.No. 2)
2.
Two sinusoidal signals of equal amplitude and frequency are applied to X and Y plate of CRO respectively. The observed Lissajous pattern is a straight line. The phase shift between signals is
zero
90°
either zero or 180°
either 90° or 270°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Saurabh kumar said:   5 years ago
The right answer option A.

If both have the same frequency and amplitude then its lisagious pattern forms a straight line.

If the phase difference is 90 then it will form a circle.

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